68 New York State Museum 



URTICACEAE (Nettle Family) 

 Ulmus americana L. American Elm 



On alluvial bottomlands of the lower streams and 

 larger river valleys, where common. Less abundant 

 in moist soil of some of the lower wooded slopes. 

 Ulmus fulva Michx. Slippery Elm 



Bluffs and banks along the larger streams. Un- 

 common. Quaker Bridge and perhaps elsewhere. 

 Humulus Lupulus L. Hop 



Alluvial thickets and swamps along the bottom- 

 lands of the Allegheny and Tunungwant valleys, 

 where undoubtedly native. 

 Laportea canadensis (L.) Gaud., Urticastrum divari- 

 catum (L.) Kuntze. Wood Nettle 

 In moist alluvial soil of thickets and open woods 

 chiefly along the lower stream valleys, but frequent 

 in wet places on many of the slopes and higher por- 

 tions of the park. 

 Urtica gracilis Ait. Common Nettle 



In wet alluvial soil in open or partially shaded 

 situations chiefly along the Allegheny and Tunung- 

 want valleys ; occasionally elsewhere. 

 Pilea pumila (L.) Gray. Rich weed, Clearweed 



On moist or wet, rocky, usually shaded slopes and 

 ravines. Frequent. Sometimes in wet or springy 

 places in the forested areas. 

 Boehmeria cylindrica (L.) Sw. False Nettle 



In wet or marshy places, in open or partially 

 shaded situations, but most abundant on the bottom- 

 lands and the lower stream courses. 



